[R] removing duplicated rows from a data.frame

[Prof Brian D Ripley]

On Wed, 31 Oct 2001, Prof Brian Ripley wrote:

> On Wed, 31 Oct 2001, Liaw, Andy wrote:
>
> > Should one of the suggestion be implemented as the unique method for
> > data.frame?  Or maybe uniquerows.data.frame?  Just a thought...  This is
> > probably nearly a FAQ.
>
> Yes. I'd noted earler that S4 has unique.data.frame and
> duplicated.data.frame via a variant on the paste method.
>
> Will add.

Now done for R-devel.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._